//排版
//value-----------------
$headings-font-family:$font-family-base;
$headings-font-weight:bolder;
$headings-line-height:2;
$headings-color:$gray-base;
//code------------------
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: $headings-font-family;
  font-weight: $headings-font-weight;
  line-height: $headings-line-height;
  color: $headings-color;



  margin-top: $margin-base;
  margin-bottom: $margin-base;
}

h1, .h1 { font-size: 3rem; }
h2, .h2 { font-size: 2.6rem; }
h3, .h3 { font-size: 2.2rem; }
h4, .h4 { font-size: 1.8rem; }
h5, .h5 { font-size: 1.4rem; }
h6, .h6 { font-size: 1rem; }

small{
  font-size: 65%;
}